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Efficient design of delta operator based 2-D IIR filters using symmetrical decomposition

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3 Author(s)
I-Hung Khoo ; Dept. of Electrical Engineering, California State University Long Beach, U.S.A. ; Hari C. Reddy ; P. K. Rajan

A method based on symmetrical decomposition is presented for the design of 2-D IIR filters through optimization. This technique allows a filter with non-symmetric magnitude specification to benefit from the savings in parameters provided by symmetry. The procedure is developed for the delta operator based design to take advantage of its better coefficient sensitivity compared to the z-domain design when the filter is narrowband.

Published in:

2008 IEEE International Symposium on Circuits and Systems

Date of Conference:

18-21 May 2008